1. The question asks where the value 0.07 comes from in part b. 2. Typically, 0.07 represents a decimal form of a percentage, often 7%. 3. To convert a percentage to a decimal, divide by 100: $$0.07 = \frac{7}{100}$$. 4. This decimal is used in calculations involving percentages, such as interest rates, growth rates, or probabilities. 5. Without the original problem context, 0.07 likely comes from converting 7% into decimal form for use in formulas.